Reputation · trust score
A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.
- Baseline (neutral) 65
- Long-established allocation (15y) +6
- Has a reverse-DNS (PTR) record +5
- Enterprise allocation +4
- Trust score 80 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Geolocation
All 16 IP addresses in 173.252.66.80/28
BGP Routing
Live BGP anomalies →Not announced as an exact prefix — covered by the announced supernet 173.252.64.0/19.
Frequently Asked Questions
What is 173.252.66.80/28?
173.252.66.80/28 is a CIDR network block containing 16 IPv4 addresses (from 173.252.66.80 to 173.252.66.95). CIDR notation combines an IP address with a prefix length to define a range of addresses.
Who owns the 173.252.66.80/28 network?
The 173.252.66.80/28 range is allocated to Facebook, Inc. and announced via AS32934 from United States.
How many IP addresses are in 173.252.66.80/28?
173.252.66.80/28 contains exactly 16 usable IPv4 addresses. A /28 prefix length means 16 addresses are covered by this single routing entry.
